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Fencer Intel
medium 5.0

CVE-2014-9130 json

scanner.c in LibYAML 0.1.5 and 0.1.6, as used in the YAML-LibYAML (aka YAML-XS) module for Perl, allows context-dependent attackers to caus…

published 2014-12-08 11 y ago modified 2026-06-17 4 mo ago also EUVD-2014-8955

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
13.2%
EPSS 13.2% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

Summary

scanner.c in LibYAML 0.1.5 and 0.1.6, as used in the YAML-LibYAML (aka YAML-XS) module for Perl, allows context-dependent attackers to cause a denial of service (assertion failure and crash) via vectors involving line-wrapping.

Patch / fix

  • pyyaml Debian 14, Debian 13, Debian 12 3.11-2
  • libyaml Debian 14, Debian 13, Debian 12 0.1.6-3
  • libyaml-libyaml-perl Debian 14, Debian 13, Debian 12 0.41-6

debian advisories DEBIAN-CVE-2014-9130

  • pyyaml Ubuntu 14.04 LTS 3.10-4ubuntu0.1
  • libyaml Ubuntu 14.04 LTS 0.1.4-3ubuntu3.1
  • libyaml-libyaml-perl Ubuntu 14.04 LTS 0.41-5ubuntu0.14.04.1

ubuntu advisories UBUNTU-CVE-2014-9130

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libyaml RHEL 6, RHEL 1 SOFTWARE_COLLECTIONS, openstack 5 +1 more 0.1.3-4.el6_6
  • libyaml RHEL 7 0.1.4-11.el7_0

red hat advisories RHSA-2015:0100RHSA-2015:0260RHSA-2015:0112

  • python-PyYAML SLE Module for Public Cloud 12, SLE High Availability Extension 12, Enterprise Storage 1.0 +1 more 3.10-15.1
  • perl-YAML-LibYAML SLES 12, SLED 12, SLES for SAP 12 0.38-10.1

suse advisories SUSE-SU-2015:0925-1SUSE-SU-2015:0925-2SUSE-SU-2015:0953-1SUSE-SU-2015:0953-2

  • libyaml openSUSE Tumbleweed 0.1.6-4.8
  • perl-YAML-LibYAML openSUSE Tumbleweed 0.59-2.11

opensuse advisories openSUSE-SU-2024:10029-1openSUSE-SU-2024:10520-1

  • yaml Alpine 3.4 0.1.6-r1

alpine advisories ALPINE-CVE-2014-9130

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2014-9130 updated cvss 4.3

libyaml: assert failure when processing wrapped strings

  • Red Hat Enterprise MRG 1 libyaml Red Hat Enterprise MRG 2 libyaml
    affected: no fix planned “Will not fix”
  • Red Hat Satellite 5 libyaml Red Hat Satellite 6 libyaml, ruby193-libyaml Red Hat Subscription Asset Manager libyaml
    affected: no fix available “Fix deferred”
  • Red Hat Enterprise Linux Client (v. 7) libyaml 0.1.4-11.el7_0 Red Hat Enterprise Linux Client Optional (v. 7) libyaml-devel 0.1.4-11.el7_0, libyaml-debuginfo 0.1.4-11.el7_0 Red Hat Enterprise Linux ComputeNode (v. 7) libyaml 0.1.4-11.el7_0 Red Hat Enterprise Linux ComputeNode Optional (v. 7) libyaml-devel 0.1.4-11.el7_0, libyaml-debuginfo 0.1.4-11.el7_0 Red Hat Enterprise Linux Desktop (v. 6) libyaml 0.1.3-4.el6_6 Red Hat Enterprise Linux Desktop Optional (v. 6) libyaml-devel 0.1.3-4.el6_6, libyaml-debuginfo 0.1.3-4.el6_6
    +2 more products
    Red Hat Enterprise Linux HPC Node (v. 6) libyaml 0.1.3-4.el6_6 Red Hat Enterprise Linux HPC Node Optional (v. 6) libyaml-devel 0.1.3-4.el6_6, libyaml-debuginfo 0.1.3-4.el6_6
    fixed: vendor fix RHSA-2015:0100
  • Red Hat Enterprise Linux OpenStack Platform 4.0 libyaml 0.1.3-4.el6_6 Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6 libyaml 0.1.3-4.el6_6
    fixed: vendor fix RHSA-2015:0260
  • Red Hat Enterprise Linux Server (v. 6) libyaml 0.1.3-4.el6_6 Red Hat Enterprise Linux Server (v. 7) libyaml 0.1.4-11.el7_0 Red Hat Enterprise Linux Server Optional (v. 6) libyaml-devel 0.1.3-4.el6_6, libyaml-debuginfo 0.1.3-4.el6_6 Red Hat Enterprise Linux Server Optional (v. 7) libyaml-devel 0.1.4-11.el7_0, libyaml-debuginfo 0.1.4-11.el7_0 Red Hat Enterprise Linux Workstation (v. 6) libyaml 0.1.3-4.el6_6 Red Hat Enterprise Linux Workstation (v. 7) libyaml 0.1.4-11.el7_0
    +2 more products
    Red Hat Enterprise Linux Workstation Optional (v. 6) libyaml-devel 0.1.3-4.el6_6, libyaml-debuginfo 0.1.3-4.el6_6 Red Hat Enterprise Linux Workstation Optional (v. 7) libyaml-devel 0.1.4-11.el7_0, libyaml-debuginfo 0.1.4-11.el7_0
    fixed: vendor fix RHSA-2015:0100
  • Red Hat Software Collections 1 for Red Hat Enterprise Linux Server (v. 6) libyaml 0.1.3-4.el6_6 Red Hat Software Collections 1 for Red Hat Enterprise Linux Server EUS (v. 6.4) libyaml 0.1.3-4.el6_6 Red Hat Software Collections 1 for Red Hat Enterprise Linux Server EUS (v. 6.5) libyaml 0.1.3-4.el6_6 Red Hat Software Collections 1 for Red Hat Enterprise Linux Server EUS (v. 6.6) libyaml 0.1.3-4.el6_6 Red Hat Software Collections 1 for Red Hat Enterprise Linux Workstation (v. 6) libyaml 0.1.3-4.el6_6
    fixed: vendor fix RHSA-2015:0112
  • Red Hat CloudForms Management Engine 5 mingw-libyaml, mingw32-libyaml, mingw64-libyaml
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

13.20% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • bitbucket.org https://bitbucket.org/xi/libyaml/commits/2b9156756423e967cfd09a61d125d883fca6f4f2 referenced PoC, tagged "exploit" by a source, unverified
  • openwall.com http://www.openwall.com/lists/oss-security/2014/11/28/1 referenced PoC, tagged "exploit" by a source, unverified
  • bitbucket.org https://bitbucket.org/xi/libyaml/issue/10/wrapped-strings-cause-assert-failure referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.